/*
    This file is part of cpp-ethereum.

    cpp-ethereum is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    cpp-ethereum is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
/** @file PrecompiledContract.cpp
 * @author Gav Wood <i@gavwood.com>
 * @date 2015
 */

#include "PrecompiledContract.h"
#include <libdevcore/CommonData.h>
using namespace dev;
using namespace eth;

PrecompiledContract::PrecompiledContract(
    unsigned _base, unsigned _word, PrecompiledExecutor const& _exec, u256 const& _startingBlock)
  : PrecompiledContract(
        [=](bytesConstRef _in) -> bigint {
            bigint s = _in.size();
            bigint b = _base;
            bigint w = _word;
            return b + (s + 31) / 32 * w;
        },
        _exec, _startingBlock)
{}
